Technical Specifications User Memory:20MB program memory, 20MB data memory Logic Execution Speed:0.1μs per boolean instruction Built‑in Port:1×Ethernet port, 1×RS232 serial port Maximum I/O Support:512 local I/O points Backplane Power Consumption:340mA @5VDC Operating Temperature:0℃～+60℃ Storage Temperature:-40℃～+85℃ Relative Humidity:5%‑95%, non‑condensing Certifications:CE, UL, cUL
Functional Features Large‑capacity program storage, high‑speed logic operation, built‑in Ethernet and serial communication, online program modification and monitoring, comprehensive system fault logging, support for multiple industrial communication protocols.
Application Scenarios Medium‑size production line, process auxiliary control unit, material handling system, RX3i system with moderate I/O and communication load.
Performance Parameters Deterministic PLC scan cycle Non‑volatile storage for fault history records Supports program upload and remote diagnostics Shock & vibration:Comply with IEC 60068
Structural Characteristics Standard RX3i plug‑in rack module Front‑panel multi‑group status LED indicators RJ45 Ethernet interface and RS232 serial interface Backplane gold‑finger bus contact Internal upgraded memory and processor hardware Mechanical locking latch
Working Principle Complete I/O image refresh via backplane bus in each scan cycle. Run user application logic from internal memory. Generate output control values and send to field I/O modules. Realize data interaction with SCADA, HMI and other third‑party devices through built‑in communication interfaces. Store alarm and diagnostic information inside module.
Installation Requirements Install into CPU dedicated slot on RX3i main rack. Reliable cabinet protective grounding. Set network and serial communication parameters by programming tool. Deploy shielded Ethernet cables. Replace module only under rack power‑off condition. Guarantee cabinet heat dissipation performance.
Usage Notes Total configured I/O points shall not exceed 512 limit. Regularly back up complete project program. Isolate communication network from untrusted external network. Analyze LED indicator and fault log for abnormality handling. Forbid on‑site disassembly. Keep away from corrosive atmosphere and liquid splash.
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